第10题: [单项选择]下列现象能在变化过程中释放热量的是()。 A. 冬天冰冻的衣服干了 B. 灯丝变细了 C. 雾凇 D. 卫生球变小了 参考答案:C 答案解析:冬天冰冻的衣服干了,灯丝变细,卫生球变小都是升华,物质从固态直接变成气态叫升华,升华吸热。物质由气态直接变成固态的现象叫凝华,凝华放热。雾凇就是水蒸气遇冷凝华,在这过程中释放热量。因此,本题选择C选项
第11题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. Sue is a quiet girl now. B. Sue becomes quite talkative. C. Sue has been talkative all the time. D. Sue is used to being talkative. 参考答案:A 答案解析:[听力原文]
W: What’s the matter with Sue
M: I don’t know. She’s not as talkative as before.
Q: What
第25题: [单项选择]激发学生内在成人自我状态的方式是() A. 提出问题,请学生们集思广益,寻求解决 B. 帮助学生尽量回避可能出现的错误 C. 指责学生的幼稚做法 D. 抱怨学生总是做不好 参考答案:A
第26题:[单选题]when a teacher asks students to rearrange a set of sentences into a logical paragraph, he/she is trying to draw their attention to_________. A.grammar B.vocabulary C.sentence patterns D.textual coherence 参考答案:D 考查教师教学。此题是问:当一名老师让学生将一组句子重新排列成一个有逻辑的段落,那么他/她是想让学生注意________。A项意为“语法”,B项意为“词汇”,C项意为“句型”,D意为“语篇连贯”。既然老师是让学生重排句子成段,所以强调的是句子间的逻辑性.故选D。